package com.johnny.springcloud.alibaba.controller;

import com.alibaba.csp.sentinel.annotation.SentinelResource;
import com.alibaba.csp.sentinel.slots.block.BlockException;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import java.util.concurrent.TimeUnit;

@RestController
@Slf4j
public class FlowLimitController {

    @GetMapping("/testA")
    public String testA() {
//        try{
//            //测试线程数
//            TimeUnit.SECONDS.sleep( 8 );}catch (InterruptedException ex){ex.printStackTrace();}
        return "---------testA";
    }

    @GetMapping("/testB")
    public String testB() {
        //匀速等待测试
        log.info(Thread.currentThread().getName() + "/t" + "....testB");
        return "----------testB";
    }

    @GetMapping("/testD")
    public String testD() {
        //RT测试
        //暂停几秒钟线程
//        try{TimeUnit.SECONDS.sleep( 1);}catch (InterruptedException ex){ex.printStackTrace();}
//        log.info("testD 测试RT");

        //异常比例测
        log.info("testD 异常比例");
        int age = 10 / 0;
        return "----------testB";
    }

    @GetMapping("/testE")
    public String testE() {
        //异常数测
        log.info("testE 测试异常数");
        int age = 10 / 0;
        return "----------testE";
    }

    @GetMapping("/testHotKey")
    @SentinelResource(value = "testHotKey", blockHandler = "deal_testHotKey")
    public String testHotKey(@RequestParam(value = "p1", required = false) String p1,
                             @RequestParam(value = "p2", required = false) String p2) {
        return "------testHotKey";
    }

    //testHotKey的兜底方法
    public String deal_testHotKey(String p1, String p2, BlockException exception) {
        return "------deal_testHotKey,>_<"; // sentinel系统默认提示：Blocked by Sentinel(flow limiting)
    }
}
